---
title: OT device data import and discovery
description: Multiple methods are available for uploading your existing Operational Technology device data into the ServiceNow AI Platform.
locale: en-US
canonical_url: https://www.servicenow.com/docs/r/australia/operational-technology/operational-technology-manager/ot-asset-data-import-discovery.html
release: australia
product: Operational Technology Manager
classification: operational-technology-manager
topic_type: concept
last_updated: "2026-03-12"
reading_time_minutes: 1
breadcrumb: [Explore, Operational Technology Manager, Operational Technology]
---

# OT device data import and discovery

Multiple methods are available for uploading your existing Operational Technology device data into the ServiceNow AI Platform.

-   **Service Graph Connector \(Excel\)**

    You can use the Service Graph Connector \(Excel\) function to import your Operational Technology data from a populated Microsoft Excel flat-file spreadsheet. You use the spreadsheet in the Integration Hub Extract Transform Load \(ETL\) to upload this data to the CMDB. To learn more, see [Service Graph Connector for Microsoft Excel](https://raw.githubusercontent.com/ServiceNow/ServiceNowDocs/australia/markdown/australia/operational-technology/operational-technology-manager/service-graph-connector-for-OT-excel.md).

-   **Discovery for Operational Technology**

    To discover Operational Technology devices in designated Purdue levels in your Industrial Control System \(ICS\) networks, you run the Discovery for Operational Technology function on a recurring basis. It operates in a manner that is similar to the standard Discovery processes. However, its Discovery normally takes place in the Purdue levels 3 through 3.5, depending on which level you select when you create an OT discovery schedule. To learn more, see [IT Discovery for Operational Technology \(OT\) Networks](https://raw.githubusercontent.com/ServiceNow/ServiceNowDocs/australia/markdown/australia/operational-technology/discovery-for-operational-technology.md).

    **Note:** To learn more about Purdue levels in Industrial Control Systems, see [https://subscription.packtpub.com/book/networking\_and\_servers/9781788395151/1/ch01lvl1sec10/the-purdue-model-for-industrial-control-systems](https://subscription.packtpub.com/book/networking_and_servers/9781788395151/1/ch01lvl1sec10/the-purdue-model-for-industrial-control-systems).

-   **Service Graph Connectors from ServiceNow partners**

    ServiceNow partners also offer Service Graph Connectors that you can use to upload your existing OT data.


**Parent Topic:**[Exploring the Operational Technology Manager](https://raw.githubusercontent.com/ServiceNow/ServiceNowDocs/australia/markdown/australia/operational-technology/operational-technology-manager/exploring-operational-technology-manager.md)